No symbols found and rebuild is failing - Can not 2byte font be used?

[ten9miq]

Atom ctags: 5.0.0
Atom:1.14.3 x64
Windows 7

This is from the developers console:

atom-ctags:  Error: Tags file could not be opened: C:\Users\Myuser\Developer_Directry\ツール\.tags
    at Stream.<anonymous> (file:///C:/Users/Myuser/.atom/packages/atom-ctags/node_modules/ctags/src/ctags.coffee:34:27)
    at Immediate.<anonymous> (C:\Users\Myuser\.atom\packages\atom-ctags\node_modules\event-stream\index.js:160:14)
    at runCallback (timers.js:574:20)
    at tryOnImmediate (timers.js:554:5)
    at processImmediate [as _immediateCallback] (timers.js:533:5)(anonymous function) @ ctags-cache.coffee:44emitOne @ events.js:96emit @ events.js:188get @ C:\Users\Myuser\.atom\packages\atom-ctags\node_modules\event-stream\index.js:151(anonymous function) @ C:\Users\Myuser\.atom\packages\atom-ctags\node_modules\event-stream\index.js:162(anonymous function) @ ctags.coffee:34(anonymous function) @ C:\Users\Myuser\.atom\packages\atom-ctags\node_modules\event-stream\index.js:160runCallback @ timers.js:574tryOnImmediate @ timers.js:554processImmediate @ timers.js:533